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Autoinstallation of Satellite Devices in a Junos Node Unifier Group


In a Junos Node Unifier (JNU) group that contains an MX Series router as a controller that manages satellite devices, such as EX Series Ethernet Switches, QFX Series devices, and ACX Series Universal Metro Routers, the autoinstallation functionality is supported for the satellite devices. JNU has an autoinstallation mechanism that enables a satellite device to configure itself out-of-the-box with no manual intervention, using the configuration available either on the network or locally through a removable media, or using a combination of both. This autoinstallation method is also called the zero-touch facility.

The zero-touch configuration delivers the following benefits:

  • The router can be sent from the warehouse to the deployment site without any preconfiguration steps.

  • The procedure required to deploy the device at the cell site is simplified, resulting in reduced operational and administrative costs.

  • You can roll out large numbers of these devices in a very short time.

The factory default setting is autoinstallation-enabled. After you make the first configuration to the router, you can do either of the following:

  • A JNU factory default file, jnu-factory.conf, is present in the /etc/config/ directory and contains the configuration to perform autoinstallation on satellite devices. The zero-touch configuration can be disabled by including the delete-after-commit statement at the [edit system autoinstallation] hierarchy level and committing the configuration. This way, the saved configuration is used the next time the system reboots.

  • Alternatively, if the router must get the configuration from the server each time a system reboot occurs, the zero-touch configuration must not be changed (that is, you must not include the delete-after-commit statement at the [edit system autoinstallation] hierarchy level and commit the settings).